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SubjectRe: [PATCH v5 04/15] dt-bindings: spi: dw: Add AMD Pensando Elba SoC SPI Controller bindings
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On 20/06/2022 21:30, Serge Semin wrote:
> On Mon, Jun 13, 2022 at 12:56:47PM -0700, Brad Larson wrote:
>> From: Brad Larson <blarson@amd.com>
>>
>> The AMD Pensando Elba SoC has integrated the DW APB SPI Controller
>>
>> Signed-off-by: Brad Larson <blarson@amd.com>
>> ---
>> Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
>> index e25d44c218f2..2a55b947cffc 100644
>> --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
>> +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
>> @@ -73,6 +73,8 @@ properties:
>> - renesas,r9a06g032-spi # RZ/N1D
>> - renesas,r9a06g033-spi # RZ/N1S
>> - const: renesas,rzn1-spi # RZ/N1
>
>> + - description: AMD Pensando Elba SoC SPI Controller
>> + const: amd,pensando-elba-spi
>
> Not enough. The driver requires to have a phandle reference to the
> Pensando System Controller. So the property like
> "amd,pensando-elba-syscon" is also needed to be added to the DT schema
> otherwise should the dt-schema tool correctly handle the
> "unevaluatedProperties: false" setting (Rob says it isn't fully
> supported at the moment), the dtbs_check procedure will fail on your
> dts evaluation.

The property was here before, now removed, so I assume it was also
removed from the driver and DTS. Isn't that the case?

Otherwise this is incomplete binding...

Best regards,
Krzysztof

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